Balloon dilatation of the papilla of Vater to allow biliary stone passage.
D014670:Ampulla of Vater; D002404:Catheterization; D002758:Cholangiography; D002769:Cholelithiasis / Q000628:therapy*; D004106:Dilatation / Q000379:methods; D005260:Female; D006801:Humans; D008875:Middle Aged